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-rw-r--r--newlib/libm/mathfp/s_ispos.c35
1 files changed, 35 insertions, 0 deletions
diff --git a/newlib/libm/mathfp/s_ispos.c b/newlib/libm/mathfp/s_ispos.c
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+++ b/newlib/libm/mathfp/s_ispos.c
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+
+/* @(#)z_ispos.c 1.0 98/08/13 */
+/******************************************************************
+ * Numtest
+ *
+ * Input:
+ * x - pointer to a floating point value
+ *
+ * Output:
+ * An integer that indicates if the number is positive.
+ *
+ * Description:
+ * This routine returns an integer that indicates if the number
+ * passed in is positive (1) or negative (0).
+ *
+ *****************************************************************/
+
+#include "fdlibm.h"
+#include "zmath.h"
+
+#ifndef _DOUBLE_IS_32BITS
+
+int ispos (double x)
+{
+ __uint32_t hx;
+
+ GET_HIGH_WORD (hx, x);
+
+ if (hx & 0x80000000)
+ return (0);
+ else
+ return (1);
+}
+
+#endif /* _DOUBLE_IS_32BITS */